1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
4 */
5
6#ifndef __MT7601U_USB_H
7#define __MT7601U_USB_H
8
9#include "mt7601u.h"
10
11#define MT7601U_FIRMWARE "mt7601u.bin"
12
13#define MT_VEND_REQ_MAX_RETRY 10
14#define MT_VEND_REQ_TOUT_MS 300
15
16#define MT_VEND_DEV_MODE_RESET 1
17
18#define MT_VEND_BUF sizeof(__le32)
19
20enum mt_vendor_req {
21 MT_VEND_DEV_MODE = 1,
22 MT_VEND_WRITE = 2,
23 MT_VEND_MULTI_READ = 7,
24 MT_VEND_WRITE_FCE = 0x42,
25};
26
27enum mt_usb_ep_in {
28 MT_EP_IN_PKT_RX,
29 MT_EP_IN_CMD_RESP,
30 __MT_EP_IN_MAX,
31};
32
33enum mt_usb_ep_out {
34 MT_EP_OUT_INBAND_CMD,
35 MT_EP_OUT_AC_BK,
36 MT_EP_OUT_AC_BE,
37 MT_EP_OUT_AC_VI,
38 MT_EP_OUT_AC_VO,
39 MT_EP_OUT_HCCA,
40 __MT_EP_OUT_MAX,
41};
42
43static inline struct usb_device *mt7601u_to_usb_dev(struct mt7601u_dev *mt7601u)
44{
45 return interface_to_usbdev(to_usb_interface(mt7601u->dev));
46}
47
48static inline bool mt7601u_urb_has_error(struct urb *urb)
49{
50 return urb->status &&
51 urb->status != -ENOENT &&
52 urb->status != -ECONNRESET &&
53 urb->status != -ESHUTDOWN;
54}
55
56bool mt7601u_usb_alloc_buf(struct mt7601u_dev *dev, size_t len,
57 struct mt7601u_dma_buf *buf);
58void mt7601u_usb_free_buf(struct mt7601u_dev *dev, struct mt7601u_dma_buf *buf);
59int mt7601u_usb_submit_buf(struct mt7601u_dev *dev, int dir, int ep_idx,
60 struct mt7601u_dma_buf *buf, gfp_t gfp,
61 usb_complete_t complete_fn, void *context);
62void mt7601u_complete_urb(struct urb *urb);
63
64int mt7601u_vendor_request(struct mt7601u_dev *dev, const u8 req,
65 const u8 direction, const u16 val, const u16 offset,
66 void *buf, const size_t buflen);
67void mt7601u_vendor_reset(struct mt7601u_dev *dev);
68int mt7601u_vendor_single_wr(struct mt7601u_dev *dev, const u8 req,
69 const u16 offset, const u32 val);
70
71#endif
72

source code of linux/drivers/net/wireless/mediatek/mt7601u/usb.h